:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1d2638;
  --text: #e9eef8;
  --muted: #a9b3c7;
  --soft: #7c879c;
  --line: rgba(255,255,255,.08);
  --accent: #7aa2ff;
  --accent-2: #8ef0c3;
  --warn: #ffd27a;
  --shadow: 0 18px 45px rgba(0,0,0,.26);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(122,162,255,.18), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(142,240,195,.12), transparent 28rem),
    var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15,20,32,.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .2px; }
.logo {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0e1420; font-weight: 900;
}
.navlinks { display: flex; gap: 18px; color: var(--muted); font-size: 15px; }
.navlinks a:hover, .navlinks a.active { color: var(--text); }
.hero { padding: 70px 0 44px; }
.hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 26px; align-items: stretch; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-main { padding: 36px; }
.kicker { color: var(--accent-2); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .14em; }
h1 { font-size: clamp(36px, 6vw, 68px); line-height: .98; margin: 14px 0 18px; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.6; max-width: 760px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; border-radius: 14px;
  padding: 12px 16px; font-weight: 700; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text);
}
.btn.primary { background: linear-gradient(135deg, var(--accent), #9cb6ff); color: #081020; border: 0; }
.hero-side { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.stat { padding: 16px; border-radius: 18px; background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.stat strong { display: block; font-size: 26px; }
.stat span { color: var(--muted); font-size: 14px; }
.section { padding: 24px 0 42px; }
.section-title { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 16px; }
h2 { font-size: 28px; margin: 0; }
.small { color: var(--muted); font-size: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic, .forum-row, .post, .guide {
  background: rgba(23,30,46,.82);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
}
.topic:hover, .guide:hover, .forum-row:hover { border-color: rgba(122,162,255,.35); transform: translateY(-1px); transition: .16s ease; }
.badge { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(122,162,255,.12); color: #bdd0ff; font-size: 12px; font-weight: 700; }
.badge.green { background: rgba(142,240,195,.12); color: #bbffe1; }
.badge.yellow { background: rgba(255,210,122,.12); color: #ffe0a1; }
.topic h3, .guide h3 { margin: 14px 0 8px; font-size: 18px; }
.topic p, .guide p, .post p { color: var(--muted); line-height: 1.55; }
.meta { color: var(--soft); font-size: 13px; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.forum-list { display: grid; gap: 12px; }
.forum-row { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.forum-row h3 { margin: 0 0 6px; }
.forum-row p { margin: 0; color: var(--muted); }
.counts { text-align: right; color: var(--muted); font-size: 14px; white-space: nowrap; }
.counts strong { color: var(--text); font-size: 18px; }
.thread-layout { display: grid; grid-template-columns: 240px 1fr; gap: 18px; margin: 34px 0; }
.sidebar { padding: 18px; height: fit-content; position: sticky; top: 82px; }
.sidebar ul { padding-left: 18px; color: var(--muted); line-height: 1.9; }
.post { margin-bottom: 14px; display: grid; grid-template-columns: 90px 1fr; gap: 16px; }
.avatar {
  width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(122,162,255,.3), rgba(142,240,195,.22));
  font-weight: 900;
}
.post-head { display: flex; justify-content: space-between; gap: 12px; color: var(--soft); font-size: 13px; }
.post h3 { margin: 2px 0 10px; }
pre {
  overflow-x: auto; padding: 14px; border-radius: 16px; background: #0b1020; border: 1px solid var(--line); color: #dfe7ff;
}
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); margin-top: 30px; }
.searchbox { width: 100%; padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); color: var(--text); outline: none; }
.notice { padding: 14px 16px; border-radius: 16px; border: 1px solid rgba(255,210,122,.25); background: rgba(255,210,122,.08); color: #ffe2a8; }
@media (max-width: 820px) {
  .hero-grid, .grid-3, .thread-layout { grid-template-columns: 1fr; }
  .post { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; }
  .forum-row { grid-template-columns: 1fr; }
  .counts { text-align: left; }
}